CVE-2014-7817

Canonical Ubuntu Linux - Improper Input Validation

Title source: rule
STIX 2.1

Description

The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))".

References (17)

Core 17
Core References
Mailing List mailing-list x_refsource_mlist
http://seclists.org/oss-sec/2014/q4/730
Various Sources x_refsource_confirm
http://linux.oracle.com/errata/ELSA-2015-0016.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2432-1
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2014-2023.html
Vendor Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201602-02
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/71216
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/62100
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/98852
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/62146
Vendor Advisory x_refsource_confirm
http://linux.oracle.com/errata/ELSA-2015-0092.html
Vendor Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3142
Vendor Advisory mailing-list x_refsource_mlist
https://sourceware.org/ml/libc-alpha/2014-11/msg00519.html

Scores

EPSS 0.0016
EPSS Percentile 36.2%

Details

CWE
CWE-20
Status published
Products (8)
canonical/ubuntu_linux 10.04
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 14.10
debian/debian_linux 7.0
gnu/glibc 2.21
opensuse/opensuse 13.1
opensuse/opensuse 13.2
Published Nov 24, 2014
Tracked Since Feb 18, 2026